4.2-7
www.EWSWATER.com office: 702-256-8182 (m-f; 8:30-4:30, pst) fax: 702-256-3744 customerservice@ewswater.com
Verify: All components are included with the unit and were not damaged in shipping.
Caution: Do not attempt to install any system using defective or damaged components. Do not install any
system that has been misapplied.
Warning: When plumbing, use protective eyewear to prevent possible eye injury due to flying objects.
When using an open flame and/or hot materials, take the necessary precautions for you and the
environment to prevent burns, burning and/or fires.
Water Pressure and Flow Rate:
A minimum of 35 PSI (40 PSI for Iron units) and 8 GPM for 1035 & 1054 units/12 GPM for 1354 units is
required for backwash valve to operate effectively. Water pressure not to exceed or to surge in excess of a
maximum of 65 PSI for the system. Unsure of pressure or it’s ability to surge? A pressure reducing valve
(PRV) becomes an insurance policy and is recommended for this and many other products that limit high
pressure in your home.
Water Temperature Range:
Feed water temperature not to exceed 95°F or be allowed to go below 40°F. Protect unit from exceeding high
temperatures and never allow unit, its’ drain line and any water to freeze. Must avoid any thermal expansion
from water heaters
Electrical:
An uninterrupted alternating current (A/C) supply is required. Please make sure your voltage supply is com-
patible with your unit before installation.
Existing Plumbing:
Condition of existing plumbing should be free from lime and iron buildup. Piping that is built up heavily and
clogged with lime and/or iron should be replaced. Problem with iron? Our separate iron filter unit should be
installed ahead of any other unit. Old galvinized or combinations of plumbing materials can cause water
issues and conditions. Pre-existing conditions may affect initial effectiveness of any product.
Location of Tank, Drain and Electrical:
Units can be installed, almost anywhere. Inside or outside. However, use your common sense. Valves are
water resistant, not water proof. Protect any system from the elements. Review issues on water flow rates
and pressure, and environmental and water temperature ranges. The tank should have access to the supply
water, provide filtered water to the home, be located close to a clean working drain, have an electrical outlet
available, and be connected according to all local plumbing codes.
By-Pass Valves:
Larger brass valved units and all Iron Units are required to be plumbed with an bypass and unions (see
installation schematics). Some units (CWL/EWS-1035 LTD, CWL/EWS-1054, CWL/EWS-1354) come com-
plete with a dual-port bypass and male yoke that is required to use for a simple installation.
Drain Connection:
Nominal drain line and drain size on 1035/1054/1354 (non-iron) units should be a minimum of 1/2”. Larger
11/2” brass valves require 3/4” drain line. Any drain line exceeding 20’ in length and/or expected to flow over 5’
above the height of the drain port requires an increase in drain line size by an additional 1/4” to either 3/4” or
1”. Install, non-restrictive, check valve in drain line, if drain water is expected to flow over 5’ above the height
of the drain port. Never restrict the backwash drain water flow.Teflon tape is the only sealant to be used on the
drain fitting.
GENERAL INFORMATION AND PRE-INSTALLATION CHECKLIST
All plumbing should be done in accordance with all local plumbing codes.
All the information that you may need is in this product manual and available on the web.
Identify the unit you are installing and follow the detailed, Set-Up, Installation and Start-Up of that unit.
WARNING: IMPROPER INSTALLATION WILL RESULT IN THE VOIDING OF ANY WARRANTY.
All Units - Important
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